In _____________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed?

Related Mcqs:

1. Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?

   A. Stabilisation
   B. Increasing the effectiveness
   C. Improving the strength & heat resistance
   D. All A, B & C

2. Catalyst used in ammonia synthesis uses ____________ as a promoter?

   A. Pt
   B. K2O
   C. Al2O3
   D. Ni

3. Iron is not used alone as a catalyst in ammonia synthesis, because___________________?

   A. Its activity declines rapidly, if heated to above 520°C
   B. It decomposes ammonia
   C. It gets oxidised above 500°C
   D. None of these

4. Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?

   A. Al2O3
   B. Cr2O3
   C. K2O
   D. MnO

5. Temperature and pressure in ammonia converter is_________________?

   A. 200 atm, 1000°C
   B. 450 atm, 200°C
   C. 450 atm, 550°C
   D. 450 atm, 1000°C

6. Catalytic ammonia synthesis reaction as in Haber’s process is_________________?

   A. Endothermic
   B. Exothermic
   C. Irreversible
   D. None of these

7. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas ?

   A. Water
   B. Naphtha
   C. Tar
   D. Coal/coke oven gas

8. Ammonia synthesis reaction is______________________?

   A. Exothermic
   B. Endothermic
   C. Autocatalytic
   D. None of these

9. Ammonia synthesis gas is produced from natural gas by___________________?

   A. Thermal cracking
   B. Steam reforming
   C. Partial oxidation
   D. Hydrogenation

10. Ammonia synthesis gas is produced from fuel oil by _________________?

    A. Steam reforming
    B. Hydro-cracking
    C. Partial oxidation
    D. Hydrogenation